Home / 1,123,728,753.24-1,682,234,801.82-679,727,747.88

Finding the Fourth Proportional to 1,123,728,753.24, 1,682,234,801.82 and 679,727,747.88

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Solution

The fourth proportional to 1,123,728,753.24, 1,682,234,801.82 and 679,727,747.88 is: 1,017,560,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,728,753.24 : 1,682,234,801.82 = 679,727,747.88 : x
  2. Step 2: Convert to fraction form
    1,123,728,753.24/1,682,234,801.82 = 679,727,747.88/x
  3. Step 3: Cross multiply
    1,123,728,753.24x = 1,682,234,801.82 × 679,727,747.88
  4. Step 4: Simplify right side
    1,123,728,753.24x = 1,143,461,673,246,466,688
  5. Step 5: Solve for x
    x = 1,143,461,673,246,466,688/1,123,728,753.24
  6. Step 6: Final answer
    x = 1,017,560,216.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.